(on Aug. 19th 2011)
"iol.cz" (included "o2.cz") is continues hosted for Russian/Ukrainian cyber-criminal spammers (online pharmacy, fake watch stores, online gamble games etc...); listed on SBL114068 (over 3,500 domains).
(on Jul. 20th 2011)
Some of hosting servers provided by this domain holder (IP holder of hosting servers), was listed on SBL114068.
(on Jul. 19th 2011)
Some of hosting servers provided by this domain holder, was listed on SBL112549 ( related -> SBL114068).
This domain is the brand: "o2" of "iol.cz" (http://www.iol.cz/ ).